From Eric Wing, compile fix for OSX
From Eric Wing, compile fix for OSX


ntoand/osg,omega-hub/osg,XiaoCC/osg,omega-hub/osg,ghub/osg,XiaoCC/osg,ntoand/osg,artoolkit/osg,omega-hub/osg,artoolkit/osg,ntoand/osg,ntoand/osg,koshman86/osg,ghub/osg,omega-hub/osg,stmh/osg,koshman86/osg,koshman86/osg,XiaoCC/osg,stmh/osg,stmh/osg,XiaoCC/osg,stmh/osg,koshman86/osg,ghub/osg,stmh/osg,artoolkit/osg,XiaoCC/osg,ghub/osg,artoolkit/osg